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doc: describe exit command
Man-page for exit shell command. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
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doc/usage/exit.rst
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doc/usage/exit.rst
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exit command
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============
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Synopsis
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--------
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::
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exit
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Description
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-----------
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The exit command terminates a script started via the run or source command.
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If scripts are nested, only the innermost script is left.
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::
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=> setenv inner 'echo entry inner; exit; echo inner done'
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=> setenv outer 'echo entry outer; run inner; echo outer done'
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=> run outer
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entry outer
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entry inner
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outer done
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=>
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When executed outside a script a warning is written. Following commands are not
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executed.
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::
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=> echo first; exit; echo last
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first
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exit not allowed from main input shell.
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=>
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Return value
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------------
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$? is always set to 0 (true).
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@ -17,6 +17,7 @@ Shell commands
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bootefi
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bootefi
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bootmenu
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bootmenu
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button
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button
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exit
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mbr
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mbr
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pstore
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pstore
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sbi
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sbi
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